1990. Setterholm, Dale R. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Cretaceous age rocks, southwestern M... Minnesota Geological Survey.
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1990. Setterholm, Dale R. Bedrock topography (elevation of the bedrock surface) of the sub-Cretaceous surface; Bedrock topography of the sub-Quaternary surface; Isopachs (th... Minnesota Geological Survey.
1889. Colored and scaled geological map published in 1889 showing elevations, clays, names of existing geographic areas, delineation of land tracts, town... George H. Cook, N.J. State Geologist.
1905. This is a geological survey of New Jersey focusing on the area around the Delaware River and the border of Pennsylvania. It gives information on ma...
1912. A geological map of Shark River as it lets out into the Atlantic Ocean.
1987. McSwiggen, Peter L. Bedrock geology interpretatons and geophysical data interpretations in east-central Minnesota, scale 1:48,000. Minnesota Geological Survey.
1968. Machamer, J.F. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of 17th level of Zenith Mine, scale 1 i... Minnesota Geological Survey.
1968. Machamer, J.F. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of 18th level of Zenith Mine, scale 1 i... Minnesota Geological Survey.
1968. Machamer, J.F. Geology cross section diagrams of Zenith Mine, scale 1 inch = about 100 feet. Minnesota Geological Survey.
870. Geology of clay deposits, Red Wing area, Goodhue and Wabasha Counties, Minnesota, RI-2, Plate 1
1963. Austin, George S. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Red Wing Area, Goodhue and Wabas... Minnesota Geological Survey.